Search Results
Search type | Search syntax |
---|---|
Tags | [tag] |
Exact | "words here" |
Author |
user:1234 user:me (yours) |
Score |
score:3 (3+) score:0 (none) |
Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
Views | views:250 |
Code | code:"if (foo != bar)" |
Sections |
title:apples body:"apples oranges" |
URL | url:"*.example.com" |
Saves | in:saves |
Status |
closed:yes duplicate:no migrated:no wiki:no |
Types |
is:question is:answer |
Exclude |
-[tag] -apples |
For more details on advanced search visit our help page |
A lightweight JavaScript library which can be used as an alternative to Web3.js to build your JavaScript front-end and interact with the Ethereum blockchain.
0
votes
Different fuctions to confirm deployment with ethersjs
Basically contract.deployed() using deployTracsaction.wait() but add more case, you can look at the source
0
votes
Sign one contract to spend ERC20 tokens on behalf of another contract in Hardhat unit test w...
ContractA you need to provide function to approve:
function approveERC20(address token, address spender, uint256 amount) public onlyOwner {
IERC20(token).approve(spender, amount);
}
Your test wi …
1
vote
TypeError: Cannot read properties of undefined (reading 'JsonRpcProvider')
With ethers@v5
const provider = new ethers.providers.JsonRpcProvider(RPC_URL);
With ethers@v6
const provider = new ethers.JsonRpcProvider(RPC_URL);